<?php
/**
 * This code is licensed under the BSD 3-Clause License.
 *
 * Copyright (c) 2017, Maks Rafalko
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * * Redistributions of source code must retain the above copyright notice, this
 *   list of conditions and the following disclaimer.
 *
 * * Redistributions in binary form must reproduce the above copyright notice,
 *   this list of conditions and the following disclaimer in the documentation
 *   and/or other materials provided with the distribution.
 *
 * * Neither the name of the copyright holder nor the names of its
 *   contributors may be used to endorse or promote products derived from
 *   this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

declare(strict_types=1);

namespace Infection\Framework;

use function end;
use function explode;
use Infection\CannotBeInstantiated;
use function Safe\preg_match;
use function Safe\preg_replace;
use function str_contains;
use function str_replace;

/**
 * @internal
 */
final class ClassName
{
    use CannotBeInstantiated;

    /**
     * @param class-string $className
     *
     * @return non-empty-string
     */
    public static function getShortClassName(string $className): string
    {
        $parts = explode('\\', $className);

        /** @phpstan-ignore return.type */
        return end($parts);
    }

    public static function getCanonicalSourceClassName(string $testClassName): string
    {
        if (preg_match('/(Infection\\\\Tests\\\\.*)Test$/', $testClassName, $matches) === 1) {
            return str_replace('Infection\\Tests\\', 'Infection\\', $matches[1]);
        }

        return $testClassName;
    }

    public static function getCanonicalTestClassName(string $sourceClassName): string
    {
        if (str_contains($sourceClassName, 'Infection\\Tests')) {
            return $sourceClassName . 'Test';
        }

        return preg_replace('/Infection/', 'Infection\\Tests', $sourceClassName, 1) . 'Test';
    }
}
